1921 Motor-, gear- and clutch oils


I'm not far away from firing up my 1921 Hudson Super-Six now after 11 years of restoration, but quering about oilgrades/mix for motor, clutch and gearbox.

For the clutch, the Hudson repair manual recommend a mixture of oil and kerosine wheras other apply a pure ATF-oil. Some of those I've takled to have experienced that the clutch slips when they've driven the vehicle for a while. Has anyone got a suggestion on the mixture that works best with the cork-clutch?

As for the motor and gear, has anyone got some reference to grades for these!

Best Regards